Pioneer Quantum Ultra 12,000 BTU 23 SEER2 115V High-Wall Ductless Energy-Star Mini-Split Air Conditioner Inverter Heat Pump Full Set
Best energy-efficient climate control for small rooms up to 500 square feet.
Experience ultimate single-zone comfort with the Pioneer Quantum Ultra 12,000 BTU Mini-Split System. This high-wall ductless heat pump offers exceptional energy efficiency with a 23 SEER2 rating, ideal for spaces up to 500 sq ft. Enjoy year-round climate control for cooling, heating, and dehumidification, all managed conveniently via Wi-Fi enabled smart control. Its variable-speed DC inverter ensures consistent temperatures and quiet operation, while the ultra-low ambient operation provides reliable performance even in extreme weather. The system includes a full installation kit for a complete setup.
$1088.00
Owner Satisfaction
4.5
/ 5
Category Rank
128
/ 937
#128 in Air Conditioners
Price vs Category Average
-47%
Below average
Cooling Capacity
12000
/ , BTU/h
Who it's for
- Budget-conscious homeowners looking to lower long-term utility costs
- Residents needing a versatile system for year-round temperature control
- DIY enthusiasts wanting to avoid expensive electrical panel upgrades
Who should skip it
- Beginners lacking specialized HVAC tools or technical installation experience
- Design-focused homeowners prioritizing seamless, hidden climate control solutions
- Buyers seeking the long-term security of premium manufacturer support
Performance breakdown
Energy Efficiency
The 23 SEER2 rating sets a high bar for monthly savings.
Smart Connectivity
Integrated Wi-Fi makes climate management effortless from your smartphone.
Operational Noise
Whisper-quiet indoor performance ensures your living space remains peaceful.
Installation Convenience
The included full kit simplifies the setup process for most users.
Climate Versatility
Variable-speed inverter technology handles extreme temperatures with impressive consistency.
Build Quality
Robust construction ensures long-term reliability in diverse weather conditions.
Key Specs
Cooling Capacity
12,000 BTU/h
Cooling SEER2
23.0 BTU/W.h
Heating Capacity
12,400 BTU/h
Power Supply
110~120V, 60Hz, 1Ph
Refrigerant Type
R454b
Indoor Unit Dimensions
36-1/2 x 7-5/8 x 12 Inches
Indoor Unit Weight
23.1 lbs
Outdoor Unit Sound Level
52 dB(A)
Features
- High-efficiency cooling and heating
- Wi-Fi enabled smart control
- Variable-speed DC inverter
- Ultra-low ambient operation
- Quiet operation
- Energy-saving ECO and SLEEP modes
- TIMER and MEMORY functions
- Includes full installation kit
What customers say
The Pioneer Quantum Ultra mini split is highly recommended for its exceptional quiet operation and impressive energy efficiency. Reviewers consistently highlight the whisper quiet performance of both indoor and outdoor units, making it perfect for any living space. Its high SEER2 rating translates to significant energy savings. The inverter technology ensures stable, comfortable temperatures throughout the year, with robust heating capabilities even in cold weather. While professional installation may be needed, the superior performance and quiet comfort offer excellent long term value, solidifying its status as a top choice for a reliable and efficient climate control system.
Know before you buy
This system is designed to efficiently heat and cool spaces up to 500 square feet. For optimal performance, ensure your room is well-insulated and within this size range.
This model operates on a standard 115V power supply, which is common in most residential settings. Please verify that your electrical circuit can support the unit's power requirements before installation.
Yes, the system is Wi-Fi enabled, allowing you to manage settings and monitor temperatures directly from your smartphone. It also includes a dedicated remote control for convenient, manual adjustments.
The indoor unit operates between 30 and 46 dB(A), which is comparable to the sound of a quiet library or a soft whisper. This makes it suitable for bedrooms, home offices, and living areas where noise levels are a concern.
Yes, the Quantum Ultra features ultra-low ambient operation, meaning it is engineered to maintain reliable heating and cooling performance even when outdoor temperatures fluctuate significantly.
The full set includes the indoor wall-mounted unit, the outdoor compressor, and the necessary components for a standard installation. It is recommended to have a professional HVAC technician handle the installation to ensure the system is properly sealed and charged.
Still have a question?
Ask Hayley anything about this product before you decide.